Yes, in most places you really do need to take an exam to be a Security Guard. Throughout Canada and the United States, Provinces and States are requiring those who wish to work as a Security Guard to take a course and pass a licensing examination before being permitted to work as a Security Guard.

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Resolution terms may be used to describe the size of the image captured at the camera, transmitted over a wire, displayed on the screen, or recorded on the hard drive. CIF, QCIF, 2CIF, 4CIF, and Megapixel are common terms for resolution. When comparing megapixel camera specifications you may notice pixel …